TLDR
Enter a command. For example: packer, ebook convert, dd, jenv.

nvim

 
Neovim, a programmer's text editor based on Vim, provides several modes for different kinds of text manipulation. Pressing i enters edit mode. goes back to normal mode, which doesn't allow regular text insertion. More information: https://neovim.io.
 
  • Open a file:
     
    nvim {{file}}
     
  • Enter text editing mode (insert mode):
     
    i
     
  • Copy ("yank") or cut ("delete") the current line (paste it with P):
     
    {{yy|dd}}
     
  • Undo the last operation:
     
    u
     
  • Search for a pattern in the file (press n/N to go to next/previous match):
     
    /{{search_pattern}}
     
  • Perform a regular expression substitution in the whole file:
     
    :%s/{{regular_expression}}/{{replacement}}/g
     
  • Save (write) the file, and quit:
     
    :wq
     
  • Quit without saving:
     
    :q!

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